Home / 210,120.20-315,180.30-62,376.20

Finding the Fourth Proportional to 210,120.20, 315,180.30 and 62,376.20

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Solution

The fourth proportional to 210,120.20, 315,180.30 and 62,376.20 is: 93,564.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,120.20 : 315,180.30 = 62,376.20 : x
  2. Step 2: Convert to fraction form
    210,120.20/315,180.30 = 62,376.20/x
  3. Step 3: Cross multiply
    210,120.20x = 315,180.30 × 62,376.20
  4. Step 4: Simplify right side
    210,120.20x = 19,659,749,428.86
  5. Step 5: Solve for x
    x = 19,659,749,428.86/210,120.20
  6. Step 6: Final answer
    x = 93,564.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.